root/src/tests/system/kernel/port_wakeup_test_6.cpp
/*
 * Copyright 2006, Marcus Overhagen, <marcus@overhagen.de>
 * Distributed under the terms of the MIT License.
 */


#include <OS.h>
#include <stdio.h>
#include <string.h>


/*
 *
 */

port_id id;
char data[100];

int32
test_thread(void *)
{
        ssize_t size;
        int32 code;

        printf("read port...\n");
        size = read_port(id, &code, data, sizeof(data)); 
        printf("read port code %lx, size %ld (0x%08lx) (%s)\n", code, size, size, strerror(size));

        return 0;
}


int
main()
{
        status_t s;
        ssize_t size;
        int32 code;
        
        id = create_port(1, "test port");
        printf("created port %ld\n", id);
        
        s = write_port(id, 0x1234, data, 10);
        printf("write port result 0x%08lx (%s)\n", s, strerror(s));

        size = read_port(id, &code, data, sizeof(data)); 
        printf("read port code %lx, size %ld (0x%08lx) (%s)\n", code, size, size, strerror(size));

        printf("read should block for 5 seconds now, as port is empty, until port is closed\n");
        
        thread_id thread = spawn_thread(test_thread, "test thread", B_NORMAL_PRIORITY, NULL);
        resume_thread(thread);
        snooze(5000000);

        printf("close port...\n");
        s = close_port(id); 
        printf("close port result 0x%08lx (%s)\n", s, strerror(s));

        printf("waiting for thread to terminate\n");
        wait_for_thread(thread, &s);
        
        return 0;
}